不要浪费危机和灾难。没有问题，就没有进步。

Certification isn't a finish line—it's the starting point of real responsibility.

The dominant kind of snobbery that exists nowadays is job snobbery. You encounter it within minutes at a party, when you get asked that famous iconic question of the early 21st century, "What do you do?" According to how you answer that question, people are either incredibly delighted to see you, or look at their watch and make their excuses.